About: http://webisa.webdatacommons.org/200580335

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The S-DS and S-IS Spring Assist Arm Systems from DORMA Architectural Hardware prevent the doors from slamming into an adjacent wall, which could damage the wall, door closer or other hardware on or around the opening.
http://www.w3.org/ns/prov#wasQuotedFrom	locksmithledger.com